*::after, *::before {
  box-sizing: border-box;
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

section {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: url(./bg.jpg) center;
  background-attachment: fixed;
  background-size: cover;
  overflow: hidden;
}

section h2 {
  font-size: 5em;
  color: #FFF;
  pointer-events: none;
  text-shadow: 0 10px 20px rgba(0,0,0,.5);
}

section .glass {
  position: absolute;
  pointer-events: none;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 200px;
  box-shadow: 0 25px 50px rgba(0,0,0,.2);
  background: transparent;
  backdrop-filter: blur(10px);
  transition: .5s;
}